Azinphos-methyl, 100 µg/ml, Acetonitrile, 5ml

p-n-Nonylphenol Monoethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

Phorate-oxon-sulfone, 100 µg/ml, Acetonitrile, 1

Internal Standard Solution, 1.2ml, nonane